Supporting base of solar heat collecting plate welding device

The utility model discloses a solar heat collecting plate welding device supporting base which comprises a base, a telescopic supporting column is arranged on the upper portion of the base, a cross beam is arranged at the upper end of the telescopic supporting column, a sliding block sliding left and right is arranged on the upper portion of the cross beam, and an inner spline installation sleeve is arranged at the upper end of the sliding block. A matched guide inserting rod is inserted into the inner spline mounting sleeve, the outer side of the front end of the guide inserting rod is sleeved with a reset spring, the outer side of the front end of the guide inserting rod is sleeved with a torsion spring, the outer side of the torsion spring is sleeved with a clamping mechanism used for clamping a to-be-welded part, and the torsion spring enables the clamping mechanism to be kept horizontal. According to the welding device, one side edge of the to-be-welded part can be clamped and lifted, so that the labor i